src/gallium/drivers/panfrost/pan_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2014 Broadcom
   5  * Copyright 2018 Alyssa Rosenzweig
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30
  31 #include "util/u_memory.h"
  32 #include "util/u_format.h"
  33 #include "util/u_format_s3tc.h"
  34 #include "util/u_video.h"
  35 #include "util/u_screen.h"
  36 #include "util/os_time.h"
  37 #include "pipe/p_defines.h"
  38 #include "pipe/p_screen.h"
  39 #include "draw/draw_context.h"
  40 #include <xf86drm.h>
  41
  42 #include <fcntl.h>
  43
  44 #include "drm-uapi/drm_fourcc.h"
  45
  46 #include "pan_screen.h"
  47 #include "pan_resource.h"
  48 #include "pan_public.h"
  49
  50 #include "pan_context.h"
  51 #include "midgard/midgard_compile.h"
  52
  53 struct panfrost_driver *panfrost_create_drm_driver(int fd);
  54 struct panfrost_driver *panfrost_create_nondrm_driver(int fd);
  55
  56 const char *pan_counters_base = NULL;
  57
  58 static const char *
  59 panfrost_get_name(struct pipe_screen *screen)
  60 {
  61         return "panfrost";
  62 }
  63
  64 static const char *
  65 panfrost_get_vendor(struct pipe_screen *screen)
  66 {
  67         return "panfrost";
  68 }
  69
  70 static const char *
  71 panfrost_get_device_vendor(struct pipe_screen *screen)
  72 {
  73         return "Arm";
  74 }
  75
  76 static int
  77 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  78 {
  79         switch (param) {
  80         case PIPE_CAP_NPOT_TEXTURES:
  81         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  82         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  83                 return 1;
  84
  85         case PIPE_CAP_SM3:
  86         case PIPE_CAP_POINT_SPRITE:
  87                 return 1;
  88
  89         case PIPE_CAP_MAX_RENDER_TARGETS:
  90         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
  91                 return 1;
  92
  93         case PIPE_CAP_OCCLUSION_QUERY:
  94         case PIPE_CAP_QUERY_TIME_ELAPSED:
  95         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
  96                 return 1; /* TODO: Queries */
  97
  98         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  99         case PIPE_CAP_TEXTURE_SWIZZLE:
 100                 return 1;
 101
 102         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 103         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 104         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 105                 return 13;
 106
 107         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 108                 return 1;
 109
 110         case PIPE_CAP_INDEP_BLEND_ENABLE:
 111                 return 1;
 112
 113         case PIPE_CAP_INDEP_BLEND_FUNC:
 114                 return 1;
 115
 116         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 117         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 118         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 119         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 120                 return 1;
 121
 122         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 123                 return 1;
 124
 125         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 126         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 127                 return 16 * 4;
 128
 129         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 130         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 131                 return 1024;
 132
 133         case PIPE_CAP_MAX_VERTEX_STREAMS:
 134                 return 1;
 135
 136         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 137                 return 1;
 138
 139         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 140         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 141                 return 1;
 142
 143         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 144                 return 256; /* for GL3 */
 145
 146         case PIPE_CAP_CONDITIONAL_RENDER:
 147                 return 1;
 148
 149         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 150         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 151         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 152                 return 1;
 153
 154         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 155                 return 330;
 156
 157         case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
 158         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 159                 return 0;
 160
 161         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 162         case PIPE_CAP_DOUBLES:
 163         case PIPE_CAP_INT64:
 164         case PIPE_CAP_INT64_DIVMOD:
 165                 return 1;
 166
 167         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 168                 return 16;
 169
 170         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 171                 return 0xffff;
 172
 173         case PIPE_CAP_QUERY_TIMESTAMP:
 174         case PIPE_CAP_CUBE_MAP_ARRAY:
 175                 return 1;
 176
 177         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 178                 return 1;
 179
 180         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 181                 return 65536;
 182
 183         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 184                 return 0;
 185
 186         case PIPE_CAP_TGSI_TEXCOORD:
 187                 return 1; /* XXX: What should this me exactly? */
 188
 189         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 190                 return 0;
 191
 192         case PIPE_CAP_MAX_VIEWPORTS:
 193                 return PIPE_MAX_VIEWPORTS;
 194
 195         case PIPE_CAP_ENDIANNESS:
 196                 return PIPE_ENDIAN_NATIVE;
 197
 198         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 199                 return 4;
 200
 201         case PIPE_CAP_TEXTURE_GATHER_SM5:
 202         case PIPE_CAP_TEXTURE_QUERY_LOD:
 203         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 204         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 205         case PIPE_CAP_FAKE_SW_MSAA:
 206                 return 1;
 207
 208         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 209                 return -32;
 210
 211         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 212                 return 31;
 213
 214         case PIPE_CAP_DRAW_INDIRECT:
 215                 return 1;
 216
 217         case PIPE_CAP_QUERY_SO_OVERFLOW:
 218                 return 1;
 219
 220         case PIPE_CAP_VENDOR_ID:
 221                 return 0xFFFFFFFF;
 222
 223         case PIPE_CAP_DEVICE_ID:
 224                 return 0xFFFFFFFF;
 225
 226         case PIPE_CAP_ACCELERATED:
 227                 return 1;
 228
 229         case PIPE_CAP_VIDEO_MEMORY: {
 230                 uint64_t system_memory;
 231
 232                 if (!os_get_total_physical_memory(&system_memory))
 233                         return 0;
 234
 235                 return (int)(system_memory >> 20);
 236         }
 237
 238         case PIPE_CAP_UMA:
 239                 return 1;
 240
 241         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 242         case PIPE_CAP_CLIP_HALFZ:
 243         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 244         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 245         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 246         case PIPE_CAP_CULL_DISTANCE:
 247         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 248         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 249         case PIPE_CAP_CLEAR_TEXTURE:
 250                 return 1;
 251
 252         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 253                 return 4;
 254
 255         case PIPE_CAP_MAX_VARYINGS:
 256                 return 16;
 257
 258         default:
 259                 return u_pipe_screen_get_param_defaults(screen, param);
 260         }
 261 }
 262
 263 static int
 264 panfrost_get_shader_param(struct pipe_screen *screen,
 265                           enum pipe_shader_type shader,
 266                           enum pipe_shader_cap param)
 267 {
 268         if (shader != PIPE_SHADER_VERTEX &&
 269                         shader != PIPE_SHADER_FRAGMENT) {
 270                 return 0;
 271         }
 272
 273         /* this is probably not totally correct.. but it's a start: */
 274         switch (param) {
 275         case PIPE_SHADER_CAP_SCALAR_ISA:
 276                 return 0;
 277
 278         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 279         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 280         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 281         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 282                 return 16384;
 283
 284         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 285                 return 1024;
 286
 287         case PIPE_SHADER_CAP_MAX_INPUTS:
 288                 return 16;
 289
 290         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 291                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 292
 293         case PIPE_SHADER_CAP_MAX_TEMPS:
 294                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 295
 296         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 297                 return 16 * 1024 * sizeof(float);
 298
 299         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 300                 return 1;
 301
 302         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 303                 return 0;
 304
 305         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 306         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 307         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 308                 return 0;
 309
 310         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 311                 return 1;
 312
 313         case PIPE_SHADER_CAP_SUBROUTINES:
 314                 return 0;
 315
 316         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 317                 return 0;
 318
 319         case PIPE_SHADER_CAP_INTEGERS:
 320                 return 1;
 321
 322         case PIPE_SHADER_CAP_INT64_ATOMICS:
 323         case PIPE_SHADER_CAP_FP16:
 324         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 325         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 326         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 327         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 328         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 329                 return 0;
 330
 331         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 332         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 333                 return 16; /* XXX: How many? */
 334
 335         case PIPE_SHADER_CAP_PREFERRED_IR:
 336                 return PIPE_SHADER_IR_NIR;
 337
 338         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 339                 return 0;
 340
 341         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 342                 return 32;
 343
 344         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 345         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 346         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 347         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 348         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 349         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 350                 return 0;
 351
 352         default:
 353                 fprintf(stderr, "unknown shader param %d\n", param);
 354                 return 0;
 355         }
 356
 357         return 0;
 358 }
 359
 360 static float
 361 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 362 {
 363         switch (param) {
 364         case PIPE_CAPF_MAX_LINE_WIDTH:
 365
 366         /* fall-through */
 367         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 368                 return 255.0; /* arbitrary */
 369
 370         case PIPE_CAPF_MAX_POINT_WIDTH:
 371
 372         /* fall-through */
 373         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 374                 return 255.0; /* arbitrary */
 375
 376         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 377                 return 16.0;
 378
 379         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 380                 return 16.0; /* arbitrary */
 381
 382         default:
 383                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 384                 return 0.0;
 385         }
 386 }
 387
 388 /**
 389  * Query format support for creating a texture, drawing surface, etc.
 390  * \param format  the format to test
 391  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 392  */
 393 static boolean
 394 panfrost_is_format_supported( struct pipe_screen *screen,
 395                               enum pipe_format format,
 396                               enum pipe_texture_target target,
 397                               unsigned sample_count,
 398                               unsigned storage_sample_count,
 399                               unsigned bind)
 400 {
 401         const struct util_format_description *format_desc;
 402
 403         assert(target == PIPE_BUFFER ||
 404                target == PIPE_TEXTURE_1D ||
 405                target == PIPE_TEXTURE_1D_ARRAY ||
 406                target == PIPE_TEXTURE_2D ||
 407                target == PIPE_TEXTURE_2D_ARRAY ||
 408                target == PIPE_TEXTURE_RECT ||
 409                target == PIPE_TEXTURE_3D ||
 410                target == PIPE_TEXTURE_CUBE ||
 411                target == PIPE_TEXTURE_CUBE_ARRAY);
 412
 413         format_desc = util_format_description(format);
 414
 415         if (!format_desc)
 416                 return FALSE;
 417
 418         if (sample_count > 1)
 419                 return FALSE;
 420
 421         /* Format wishlist */
 422         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 423                 return FALSE;
 424
 425         if (bind & PIPE_BIND_RENDER_TARGET) {
 426                 /* We don't support rendering into anything but RGBA8 yet. We
 427                  * need more formats for spec compliance, but for now, honesty
 428                  * is the best policy <3 */
 429
 430                 if (!util_format_is_rgba8_variant(format_desc))
 431                         return FALSE;
 432
 433                 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
 434                         return FALSE;
 435
 436                 /*
 437                  * Although possible, it is unnatural to render into compressed or YUV
 438                  * surfaces. So disable these here to avoid going into weird paths
 439                  * inside the state trackers.
 440                  */
 441                 if (format_desc->block.width != 1 ||
 442                                 format_desc->block.height != 1)
 443                         return FALSE;
 444         }
 445
 446         if (bind & PIPE_BIND_DEPTH_STENCIL) {
 447                 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
 448                         return FALSE;
 449         }
 450
 451         if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
 452                         format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
 453                 /* Compressed formats not yet hooked up. */
 454                 return FALSE;
 455         }
 456
 457         if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
 458                         ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) &&
 459                         target != PIPE_BUFFER) {
 460                 const struct util_format_description *desc =
 461                         util_format_description(format);
 462
 463                 if (desc->nr_channels == 3 && desc->is_array) {
 464                         /* Don't support any 3-component formats for rendering/texturing
 465                          * since we don't support the corresponding 8-bit 3 channel UNORM
 466                          * formats.  This allows us to support GL_ARB_copy_image between
 467                          * GL_RGB8 and GL_RGB8UI, for example.  Otherwise, we may be asked to
 468                          * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
 469                          * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
 470                          * (different bpp).
 471                          */
 472                         return FALSE;
 473                 }
 474         }
 475
 476         return TRUE;
 477 }
 478
 479
 480 static void
 481 panfrost_destroy_screen( struct pipe_screen *screen )
 482 {
 483         FREE(screen);
 484 }
 485
 486 static void
 487 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 488                            struct pipe_resource *resource,
 489                            unsigned level, unsigned layer,
 490                            void *context_private,
 491                            struct pipe_box *sub_box)
 492 {
 493         /* TODO: Display target integration */
 494 }
 495
 496 static uint64_t
 497 panfrost_get_timestamp(struct pipe_screen *_screen)
 498 {
 499         return os_time_get_nano();
 500 }
 501
 502 static void
 503 panfrost_fence_reference(struct pipe_screen *screen,
 504                          struct pipe_fence_handle **ptr,
 505                          struct pipe_fence_handle *fence)
 506 {
 507         *ptr = fence;
 508 }
 509
 510 static boolean
 511 panfrost_fence_finish(struct pipe_screen *screen,
 512                       struct pipe_context *ctx,
 513                       struct pipe_fence_handle *fence,
 514                       uint64_t timeout)
 515 {
 516         assert(fence);
 517         return TRUE;
 518 }
 519
 520 static const void *
 521 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 522                                      enum pipe_shader_ir ir,
 523                                      enum pipe_shader_type shader)
 524 {
 525         return &midgard_nir_options;
 526 }
 527
 528 struct pipe_screen *
 529 panfrost_create_screen(int fd, struct renderonly *ro, bool is_drm)
 530 {
 531         struct panfrost_screen *screen = CALLOC_STRUCT(panfrost_screen);
 532
 533         if (!screen)
 534                 return NULL;
 535
 536         if (ro) {
 537                 screen->ro = renderonly_dup(ro);
 538                 if (!screen->ro) {
 539                         fprintf(stderr, "Failed to dup renderonly object\n");
 540                         free(screen);
 541                         return NULL;
 542                 }
 543         }
 544
 545         if (is_drm) {
 546                 screen->driver = panfrost_create_drm_driver(fd);
 547         } else {
 548 #ifdef PAN_NONDRM_OVERLAY
 549                 screen->driver = panfrost_create_nondrm_driver(fd);
 550 #else
 551                 fprintf(stderr, "Legacy (non-DRM) operation requires out-of-tree overlay\n");
 552                 return NULL;
 553 #endif
 554         }
 555
 556         /* Dump memory and/or performance counters iff asked for in the environment */
 557         const char *pantrace_base = getenv("PANTRACE_BASE");
 558         pan_counters_base = getenv("PANCOUNTERS_BASE");
 559
 560         if (pantrace_base) {
 561                 pantrace_initialize(pantrace_base);
 562         }
 563
 564         if (pan_counters_base) {
 565                 screen->driver->allocate_slab(screen, &screen->perf_counters, 64, true, 0, 0, 0);
 566                 screen->driver->enable_counters(screen);
 567         }
 568
 569         screen->base.destroy = panfrost_destroy_screen;
 570
 571         screen->base.get_name = panfrost_get_name;
 572         screen->base.get_vendor = panfrost_get_vendor;
 573         screen->base.get_device_vendor = panfrost_get_device_vendor;
 574         screen->base.get_param = panfrost_get_param;
 575         screen->base.get_shader_param = panfrost_get_shader_param;
 576         screen->base.get_paramf = panfrost_get_paramf;
 577         screen->base.get_timestamp = panfrost_get_timestamp;
 578         screen->base.is_format_supported = panfrost_is_format_supported;
 579         screen->base.context_create = panfrost_create_context;
 580         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 581         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 582         screen->base.fence_reference = panfrost_fence_reference;
 583         screen->base.fence_finish = panfrost_fence_finish;
 584
 585         screen->last_fragment_id = -1;
 586         screen->last_fragment_flushed = true;
 587
 588         panfrost_resource_screen_init(screen);
 589
 590         return &screen->base;
 591 }